in·de·struc·ti·ble \|ində̇|strəktəbəl, -dē|-\adjective Etymology: probably from Late Latin indestructibilis, from Latin in- in- (I) + destructus (past participle of destruere to tear down, destroy) + -ibilis -ible — more at destroy : not destructible : incapable of being destroyed < any belief more indestructible than the belief in the ultimate triumph of justice — Robert Lynd > • in·de·struc·ti·ble·nessnoun-es • in·de·struc·ti·bly\-blē, -li\adverb